Commit 8951eb15 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: make stack dump size configurable 



Introduce Kconfig symbol PRINT_STACK_DEPTH and use it to initialize
kstack_depth_to_print.

Reviewed-by: default avatarPetr Mladek <pmladek@suse.com>
Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent c5fccebc

arch/xtensa/Kconfig.debug

+7 −0
Original line number Diff line number Diff line
@@ -31,3 +31,10 @@ config S32C1I_SELFTEST 
	  It is easy to make wrong hardware configuration, this test should catch it early.



	  Say 'N' on stable hardware.



config PRINT_STACK_DEPTH

	int "Stack depth to print" if DEBUG_KERNEL

	default 64

	help

	  This option allows you to set the stack depth that the kernel

	  prints in stack traces.

arch/xtensa/kernel/traps.c

+1 −1
Original line number Diff line number Diff line
@@ -495,7 +495,7 @@ void show_trace(struct task_struct *task, unsigned long *sp) 


#define STACK_DUMP_ENTRY_SIZE 4

#define STACK_DUMP_LINE_SIZE 32

static size_t kstack_depth_to_print = 24;

static size_t kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;



void show_stack(struct task_struct *task, unsigned long *sp)

{